Commissioned by an anonymous user; official sequel to this piece.

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Beach Showoff

"Do you have any idea what’s taking him so long?" Velvet asked as her feet moved along the warm sand. Her daughter walked by her side, happily breathing in the cool, salty air.

"No clue." Twilight said. "All he said was that he had something 'important' to take care of." The younger alicorn gestured her fingers. "Whatever that means. Maybe he's finally found a thong that fits him."

"Twi, enough." Velvet said, her finger pointing sternly at the princess. "He's your brother and you're both adults. Enough with the bullying."

"Oh, you know I do it out of love."

"I question that sometimes." The waves crash to their side, sloshing some foam onto the wet, clumpy sand. "Now I don't want you guys insulting each other the whole time. I barely get to see either of you and I don't want today spoiled because the two of you are acting like foals."

"I'll hold my tongue." Twi rested her hand on Velvet's shoulder, rubbing her thumb gently against the older mare's fur. "For the most part..." With that, the two ponies heard the sound of somepony quickly running up to them. They turn around to find Shining Armor running towards them, smiling gleefully and sporting an erection.

"Shining, there you are!" Velvet exclaimed as she opened her arms. Twi quickly grabbed her shoulder and pointed at the stallion's crotch. The older pony pulled her arms away as her eyes widened. "Why are you erect?!"

"Yeah, bro." Twilight said, stifling a giggle. "It's a nude beach, not an incest sex resort." Shining pushed himself between the two mares and spread his legs wide.

"I'm sorry," he said with a rather cocky smile, "but I felt it necessary. What do you think?"

"I'm not about to start rating my son's penis." Velvet turned her head away, though Twi's eyes looked him over.

"What am I supposed to think?" Her head craned forward a bit. "Did you use a pump or something?"

"You could say I used something." Shining flexed his muscles, making his cock twitch a bit. "Your friend Trixie gave me this beast. Call it a... growth spurt, of sorts." Twilight's horn lit up a bit as she inspected the spell. Simply an illusion, nothing organic or naturally altered. And judging by his attitude, Twilight started to giggle more. Velvet, after hearing talk of a spell, turned around to finally look at Shining's crotch.

"A spell, sweetie?" Her eyes wandered and saw that it was still as small as it ever was. "From that unicorn that tried running your sister out of town?"

"She's reformed, mom." His hand gripped the base, though the mares only saw him grabbing air. Twilight snorted as she quickly covered her mouth. "Yeah, it’s not permanent. But at least now Twilight can stop with the jokes."